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anonymous
 one year ago
Find the exact real value of arccos((square root of 2)/2)
anonymous
 one year ago
Find the exact real value of arccos((square root of 2)/2)

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[\arccos \left( \frac{ \sqrt{2} }{2 } \right)\]

Haseeb96
 one year ago
Best ResponseYou've already chosen the best response.1arccos x = cos^1 (x) now what you will do . just use your calculator first press shift button then go to the cos^1 sign button then press these values you willl get your answer

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0But how do I do it without the use of calculator? :)

Haseeb96
 one year ago
Best ResponseYou've already chosen the best response.1well first you will divide sqrt 2 and 2 you will get 0.706 and now as you know the table of trigonometry there is cos 45= 0.707 So, we get it will be at 45 degrees.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.045 degrees or pi/4, right?

Haseeb96
 one year ago
Best ResponseYou've already chosen the best response.145 is degree, but when we express its answer in radians we will say pi/4 Good job girl @mathway

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Thank you @Haseeb96 !

Haseeb96
 one year ago
Best ResponseYou've already chosen the best response.1Most welcome @mathway I am glad that i helped you in your problem :)

Haseeb96
 one year ago
Best ResponseYou've already chosen the best response.1Do you have more questions ? if so tag me

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I'll open a new question. :)
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